x86/pgtable: unify pagetable accessors, #4

add new ops to 32-bit. based on: Subject: x86/pgtable: unify pagetable accessors From: Jeremy Fitzhardinge <jeremy@goop.org> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
git-mirror · Jan 30, 2008 · 7d00a1a · 7d00a1a
1 parent 1444d2d
commit 7d00a1a
Showing 1 changed file with 8 additions and 0 deletions.
diff --git a/include/asm-x86/pgtable_32.h b/include/asm-x86/pgtable_32.h
@@ -123,6 +123,14 @@ static inline pte_t pte_mkyoung(pte_t pte)	{ return __pte(pte_val(pte) | _PAGE_A
 static inline pte_t pte_mkwrite(pte_t pte)	{ return __pte(pte_val(pte) | _PAGE_RW); }
 static inline pte_t pte_mkhuge(pte_t pte)	{ return __pte(pte_val(pte) | _PAGE_PSE); }
 
+static inline pte_t pte_clrhuge(pte_t pte)	{ return __pte(pte_val(pte) & ~_PAGE_PSE); }
+static inline pte_t pte_mkexec(pte_t pte)	{ return __pte(pte_val(pte) & ~_PAGE_NX); }
+
+static inline int pmd_large(pmd_t pte) {
+	return (pmd_val(pte) & (_PAGE_PSE|_PAGE_PRESENT)) ==
+		(_PAGE_PSE|_PAGE_PRESENT);
+}
+
 #ifdef CONFIG_X86_PAE
 # include <asm/pgtable-3level.h>
 #else